Family name Jeyanthan (Jeyanthan 
) , worldwide, is a rare last name. The last name Jeyanthan is characteristic of Sri Lanka, where it is quite a rare surname, Australia, where it is a rare surname, and the United Kingdom, where it is a very rare surname. Likewise, Jeyanthan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jeyanthan | Australia, United Kingdom, India, Sri Lanka, Qatar |